Audio controller



FIG. 1 is a front perspective view of an audio controller showing my new design;

FIG. 2 is another front perspective view thereof;

FIG. 3 is a rear perspective view thereof;

FIG. 4 is another rear perspective view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is another top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front elevation view thereof;

FIG. 9 is a rear elevation view thereof;

FIG. 10 is a left side elevation view thereof; and,

FIG. 11 is a right side elevation view thereof.

The broken lines depict portions of the audio controller in which the design is embodied that form no part of the claimed design. 

CLAIM The ornamental design for an audio controller, as shown and described. 